Complex regional pain syndrome
Alerts and Notices
Synopsis

CRPS type 2, formerly called causalgia, has similar symptoms but with peripheral nerve injury as a major part of initiating the syndrome.
Codes
ICD10CM:G56.40 – Causalgia of unspecified upper limb
G57.70 – Causalgia of unspecified lower limb
G90.50 – Complex regional pain syndrome I, unspecified
SNOMEDCT:
128200000 – Complex regional pain syndrome
Look For
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Diagnostic Pearls
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Differential Diagnosis & Pitfalls
- Neuropathy
- Nerve injury
- Ischemia
- Lymphedema
- Postherpetic neuralgia
- Thalamic pain syndrome
- Erythromelalgia
- Compartment syndrome
- Peripheral vascular disease
- Raynaud phenomenon
- Deep vein thrombosis
Best Tests
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Management Pearls
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Therapy
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Drug Reaction Data
Below is a list of drugs with literature evidence indicating an adverse association with this diagnosis. The list is continually updated through ongoing research and new medication approvals. Click on Citations to sort by number of citations or click on Medication to sort the medications alphabetically.Subscription Required
References
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Last Reviewed:08/07/2018
Last Updated:09/05/2018
Last Updated:09/05/2018